星空有约|“银河画卷”，开卷！

Core Viewpoint - The "Milky Way Scroll" (MWISP) survey plan has officially released its first batch of millimeter-wave molecular line observation data, providing unprecedented insights into the distribution and structure of molecular gas in the Milky Way galaxy [1][2] Group 1: Project Overview - The MWISP survey is a large-scale millimeter-wave molecular line survey organized by the Purple Mountain Observatory, utilizing a 13.7-meter diameter millimeter-wave radio telescope located in Delingha, Qinghai [2] - The data covers approximately 2,300 square degrees of the northern galactic plane, specifically in the range of galactic longitude 10 to 230 degrees and latitude ±5 degrees [1] - The project has been ongoing for over ten years since its inception in 2011, with the first phase of the survey already completed [1] Group 2: Data Significance - The released data includes over 100 million spectral line data points, creating the most comprehensive millimeter-wave CO molecular line database to date [1] - The survey data provides a high-precision, multi-line joint analysis of the molecular gas in the Milky Way, contributing to a three-dimensional star map and census report of the galaxy's gas circulation and star formation processes [2] - The data will facilitate collaborative innovation in multi-band astronomical research, complementing other major domestic scientific facilities such as the 500-meter Aperture Spherical Telescope (FAST) and the High Altitude Cosmic Ray Observatory (LHAASO) [2] Group 3: Accessibility and Future Implications - The first batch of data is stored and published by the "Scientific Data Bank," making it accessible to global astronomical researchers and enthusiasts starting from December 11 [2] - The MWISP project has accumulated important technical experience for future large-aperture millimeter/submillimeter telescopes with multi-beam capabilities [2]